Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs

Li Xinsheng; Jia Teng; Zhao Yao; Jiang Shan; Dai Yanjun

doi:10.12465/j.issn.0253-4339.2025.03.084

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Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs

更新时间：2025-05-30

- Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs
- Journal of Refrigeration Vol. 46, Issue 3, Pages: 84-90(2025)
- 作者机构：
  
  1.上海交通大学中英国际低碳学院　上海　 201306
  2.上海交通大学制冷与低温工程研究所　上海　 200240
  3.太阳能发电及制冷教育部工程研究中心　上海　 200240
- 作者简介：
  
  Dai Yanjun, male, Ph. D., professor, Institude of Refrigeration and Cryogenics, Shanghai Jiao Tong University, 86-21-34204358, E-mail: yjdai@sjtu.edu.cn. Research fields: solar energy utilization and building energy efficiency, heat pump system.
- 基金信息：
- DOI：10.12465/j.issn.0253-4339.2025.03.084
  CLC： TB61⁺1;TM912
- Received：04 March 2024，
  
  Revised：26 March 2024，
  
  Accepted：19 April 2024，
  
  Published：16 June 2025
- 稿件说明：
移动端阅览
Li Xinsheng, Jia Teng, Zhao Yao, et al. Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs[J]. Journal of refrigeration, 2025, 46(3): 84-90.
DOI：

Li Xinsheng, Jia Teng, Zhao Yao, et al. Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs[J]. Journal of refrigeration, 2025, 46(3): 84-90. DOI： 10.12465/j.issn.0253-4339.2025.03.084.

摘要

随着锂离子电池功率密度不断提高以及高功率快充技术的发展，电池热管理系统的设计已成为研究的重点和难点。基于吹胀式冷板构建了一种多箱电池包直冷热管理系统，并对系统在不同运行工况下的性能表现进行了实验研究。结果表明：在0.5 C倍率充电工况下，压缩机转速为2 400 r/min时，系统的平均性能系数（COP）可达到5.83，冷板的最大无量纲压力损失系数为6.27%，冷板间最大温差为1.90 ℃。冷板间的温差随着压缩机转速升高和冷板热载荷的增加而增大，冷板间的最大温差为3.99 ℃。系统COP随着压缩机转速的升高而降低，系统COP最高可达7.41。

Abstract

As the power density of lithium-ion batteries continues to increase and high-power fast-charging technologies emerge

the development of battery thermal management systems has become an important and challenging area of research. In this study

a direct-cooling thermal management system for multi-box battery packs using roll-bond cold plates was presented

and the performance of the system was experimentally investigated under different operating conditions. The experimental results show that at a charging rate of 0.5 C and a compressor speed of 2 400 r/min

the average coefficient of performance (COP) of the system can reach 5.83

the maximum dimensionless loss coefficient of the cold plate is 6.27%

and the maximum temperature difference between the cold plates is 1.90 ℃. Notably

the temperature difference between the plates escalates with increasing compressor speed and the thermal load on the cold plate

reaching a maximum value of 3.99 ℃ during the tests. Concurrently

the COP of the system showed a decreasing trend with the compressor speed

reaching a maximum value of 7.41 throughout the duration of the experiments.

关键词

Keywords

references

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